About: http://webisa.webdatacommons.org/138317062

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	That is part of it but I think making them as small and light as technically possible is a bigger part.
http://www.w3.org/ns/prov#wasQuotedFrom	airliners.net